2005 Ariel Atom vs. 2009 BMW 523
To start off, 2009 BMW 523 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Ariel Atom. In addition, the cost of maintenance, including insurance, on 2005 Ariel Atom would be higher. At 2,497 cc (6 cylinders), 2009 BMW 523 is equipped with a bigger engine. In terms of performance, 2009 BMW 523 (175 HP @ 5800 RPM) has 66 more horse power than 2005 Ariel Atom. (109 HP @ 5000 RPM) In normal driving conditions, 2009 BMW 523 should accelerate faster than 2005 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 523 weights approximately 1065 kg more than 2005 Ariel Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 BMW 523 (230 Nm @ 3500 RPM) has 81 more torque (in Nm) than 2005 Ariel Atom. (149 Nm @ 3000 RPM). This means 2009 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2005 Ariel Atom.
Compare all specifications:
| 2005 Ariel Atom | 2009 BMW 523 | |
| Make | Ariel | BMW |
| Model | Atom | 523 |
| Year Released | 2005 | 2009 |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 109 HP | 175 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 149 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 460 kg | 1525 kg |
| Vehicle Width | 1800 mm | 1470 mm |
| Vehicle Height | 1200 mm | 1850 mm |
| Wheelbase Size | 2350 mm | 2890 mm |
